NASASciFiles - Forces of Motion
(2004) NASA Sci Files segment explaining the different forces of motion including weightlessness, free fall, acceleration, and inertia and how they relate to space travel.

NASA Connect - WFS - Electricity and Magnetism
(2004) NASA Connect segment explaining how NASA is using electricity and magnetism to propell spacecraft into orbit. The segment also explains acceleration, mass, and force in an algebraic equation.

NASA Connect - RTTS - Work and Energy
(2003) First segment of Rocket to the Stars defines work and energy using the concepts of force, motion, distance, mass, height, and gravity. The work and energy segment covers the Gravitational...